public unsafe void Load(DarksVMContext ctx, out ExecutionState state)
{
uint sp = ctx.Registers[DarksVMConstants.REG_SP].U4;
DarksVMSlot fieldSlot = ctx.Stack[sp--];
DarksVMSlot valSlot = ctx.Stack[sp--];
DarksVMSlot objSlot = ctx.Stack[sp--];
var field = (FieldInfo)ctx.Instance.Data.LookupReference(fieldSlot.U4);
if (!field.IsStatic && objSlot.O == null)
{
throw new NullReferenceException();
}
object value = Type.GetTypeCode(field.FieldType) == TypeCode.String && valSlot.O == null
? ctx.Instance.Data.LookupString(valSlot.U4)
: valSlot.ToObject(field.FieldType);
if (field.DeclaringType.IsValueType && objSlot.O is IReference)
{
TypedReference typedRef;
((IReference)objSlot.O).ToTypedReference(ctx, &typedRef, field.DeclaringType);
TypedReferenceHelpers.CastTypedRef(&typedRef, field.DeclaringType);
field.SetValueDirect(typedRef, value);
}
else
{
field.SetValue(objSlot.ToObject(field.DeclaringType), value);
}
ctx.Stack.SetTopPosition(sp);
ctx.Registers[DarksVMConstants.REG_SP].U4 = sp;
state = ExecutionState.Next;
}
public void ToTypedReference(uint pos, TypedRefPtr typedRef, Type type)
{
if(pos > topPos)
throw new ExecutionEngineException();
var section = sections[(int) (pos >> SectionSize)];
var index = pos & IndexMask;
if(type.IsEnum)
type = Enum.GetUnderlyingType(type);
if(type.IsPrimitive || type.IsPointer)
{
section[index].ToTypedReferencePrimitive(typedRef);
TypedReferenceHelpers.CastTypedRef(typedRef, type);
}
else
{
section[index].ToTypedReferenceObject(typedRef, type);
}
}
